Correct answer: Nd51...Rf5/Qh6/Qh5/Qh3/Qh2/Qh1/Qf7/Qe4+/Qg8 2.Qe4# 1...B:a4+ 2.R:a4# 1...Bf6/Bg5/Bh4/Bd8 2.N:d6# 1.B